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[D3D12] ps_param_gen in HLSL

This commit is contained in:
Triang3l 2018-08-16 15:53:55 +03:00
parent bb518407a2
commit 14523145a2
1 changed files with 10 additions and 3 deletions
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13
src/xenia/gpu/hlsl_shader_translator.cc
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@ -277,7 +277,6 @@ std::vector<uint8_t> HlslShaderTranslator::CompleteTranslation() {
for (uint32_t i = 0; i < kMaxInterpolators; ++i) {
source.AppendFormat(" xe_output.interpolators[%u] = (0.0).xxxx;\n", i);
}
// TODO(Triang3l): Reset interpolators to zero if really needed.
} else if (is_pixel_shader()) {
// Pixel shader inputs, outputs and prologue.
// If the shader writes to depth, it needs to define
@ -313,7 +312,15 @@ std::vector<uint8_t> HlslShaderTranslator::CompleteTranslation() {
for (uint32_t i = 0; i < interpolator_register_count; ++i) {
source.AppendFormat(" xe_r[%u] = xe_input.interpolators[%u];\n", i, i);
}
// TODO(Triang3l): ps_param_gen.
// Write pixel position to the register specified by ps_param_gen.
source.AppendFormat(
" [branch] if (xe_pixel_pos_reg < %uu) {\n"
" float4 xe_pixel_pos = xe_input.position;\n"
" xe_pixel_pos.xy = xe_pixel_pos.xy * xe_ssaa_inv_scale +\n"
" xe_pixel_half_pixel_offset;\n"
" xe_r[xe_pixel_pos_reg] = xe_pixel_pos;\n"
" }\n",
register_count());
}
// Common main function variables and prologue.
@ -407,7 +414,7 @@ std::vector<uint8_t> HlslShaderTranslator::CompleteTranslation() {
" xe_output.colors[2] = xe_color_output[xe_color_output_map.b];\n"
" xe_output.colors[3] = xe_color_output[xe_color_output_map.a];\n");
}
// TODO(Triang3l): Half pixel offset, alpha test, gamma.
// TODO(Triang3l): Gamma if needed.
source.Append(
" return xe_output;\n"
"}\n");